Designations of astronomical objects are often confusing.
Astronomical designations (also called Object Identifiers) have been
collected and published by Lortet and collaborators in
Dictionaries of Nomenclature of Celestial Objects
outside the solar system (Biblio).
This Info service is the electronic look-up version of the
Dictionary which is updated on a regular basis;
it provides full references and usages about 24079 different acronyms.

To find out the meaning of specific acronyms or related references,
choose and fill the form below; the words you type in the box
are anded, i.e. the acronyms matching all words
will be displayed.

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